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Neutrophil-to-lymphocyte ratio, calprotectin and YKL-40 in patients with chronic obstructive pulmonary disease: correlations and 5-year mortality – a cohort study

Crossref DOI link: https://doi.org/10.1186/s12950-015-0064-5

Published Online: 2015-03-18

Published Print: 2015-12

Update policy: https://doi.org/10.1007/springer_crossmark_policy

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